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Analysis

  • max time kernel
    147s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 04:49

General

  • Target

    56c2c75f3eae96708ce3b0f8c0d98e48827e826eec0df30b83594968b4ffbf21.exe

  • Size

    190KB

  • MD5

    fb0bffa32a19ea8f4819e80d1001bebf

  • SHA1

    483db4b488f2ba09a487c88a8e0c14802d18f54a

  • SHA256

    56c2c75f3eae96708ce3b0f8c0d98e48827e826eec0df30b83594968b4ffbf21

  • SHA512

    2b711a3c97f95af7d9edf8617650ce8c8364de50b4938e9e87bd4d47a4e2ee3e66053f88ea50b6a8e99c95da445b5e021d956e6580daf9865dde4ad42c558c9b

  • SSDEEP

    3072:1pzRNYuluupWyvbOijh7UAoaI52pySvl3nW0CWcscGF8ZHmt4qyluHE:1ZRvupm9UX5WflXW5Wc88wGXluk

Score
8/10

Malware Config

Signatures

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 12 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56c2c75f3eae96708ce3b0f8c0d98e48827e826eec0df30b83594968b4ffbf21.exe
    "C:\Users\Admin\AppData\Local\Temp\56c2c75f3eae96708ce3b0f8c0d98e48827e826eec0df30b83594968b4ffbf21.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3248
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p -s TapiSrv
    1⤵
      PID:5024

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3248-132-0x0000000000400000-0x0000000000443908-memory.dmp

      Filesize

      270KB

    • memory/3248-133-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB

    • memory/3248-134-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB

    • memory/3248-135-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB

    • memory/3248-136-0x0000000010000000-0x000000001004C000-memory.dmp

      Filesize

      304KB